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. 2018 Sep 26;9:246. doi: 10.1186/s13287-018-1003-1

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© The Author(s). 2018

Open AccessThis article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated.

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Fig. 2 — Isolation and characterization of MSC-Exos. a Representative transmission electron micrographs of MSC-Exos with a cup-shaped morphology. Scale bar = 100 nm b Western blot results indicating positive expression for the CD63, TSG101, and Flotillin-1 proteins in the exosomes derived from MSCs. c. Particle size distribution of MSC-Exos measured by qNano analysis